Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 205.1 >
edited by Dilisi S
on 2024/11/19 21:19
To version < 200.1 >
edited by Dilisi S
on 2024/11/18 04:06
>
Change comment: Nov 17 - AT Commands edit - part 3

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Details

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Content
... ... @@ -40,7 +40,7 @@
40 40  (((
41 41  You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
42 42  
43 -* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Stack Community Network), you can select a network and register the LT-22222-L I/O controller with it.
43 +* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
44 44  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
45 45  * Setup your own private LoRaWAN network.
46 46  
... ... @@ -50,14 +50,11 @@
50 50  )))
51 51  
52 52  (((
53 -
53 +[[image:1653295757274-912.png]]
54 54  
55 -The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
55 +
56 56  )))
57 57  
58 -(% class="wikigeneratedid" %)
59 -[[image:lorawan-nw.jpg||height="354" width="900"]]
60 -
61 61  == 1.2 Specifications ==
62 62  
63 63  (% style="color:#037691" %)**Hardware System:**
... ... @@ -118,22 +118,6 @@
118 118  * Smart cities
119 119  * Smart factory
120 120  
121 -== 1.5 Hardware Variants ==
122 -
123 -(% style="width:524px" %)
124 -|(% style="width:94px" %)**Model**|(% style="width:98px" %)**Photo**|(% style="width:329px" %)**Description**
125 -|(% style="width:94px" %)**LT33222-L**|(% style="width:98px" %)(((
126 -
127 -)))|(% style="width:329px" %)(((
128 -* 2 x Digital Input (Bi-direction)
129 -* 2 x Digital Output
130 -* 2 x Relay Output (5A@250VAC / 30VDC)
131 -* 2 x 0~~20mA Analog Input (res:0.01mA)
132 -* 2 x 0~~30V Analog Input (res:0.01v)
133 -* 1 x Counting Port
134 -)))
135 -
136 -
137 137  == 2. Assembling the device ==
138 138  
139 139  == 2.1 Connecting the antenna ==
... ... @@ -174,11 +174,11 @@
174 174  |(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
175 175  |(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
176 176  
177 -== 2.3 Connecting LT-22222-L to a Power Source ==
158 +== 2.3 Powering the device ==
178 178  
179 -The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
160 +The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
180 180  
181 -Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** with the Network Server.
162 +Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
182 182  
183 183  {{warning}}
184 184  We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.
... ... @@ -188,45 +188,35 @@
188 188  [[image:1653297104069-180.png]]
189 189  
190 190  
191 -= 3. Registering LT-22222-L with a LoRaWAN Network Server =
172 += 3. Registering with a LoRaWAN Network Server =
192 192  
193 -By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports both OTAA (Over-the-Air Activation) and ABP (Activation By Personalization) methods to activate with a LoRaWAN Network Server. However, OTAA is the most secure method for activating a device with a LoRaWAN Network Server.
174 +By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
194 194  
176 +After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
195 195  
178 +In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
196 196  
197 -=== 3.2.1 Prerequisites ===
180 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
198 198  
199 -The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
182 +[[image:image-20220523172350-1.png||height="266" width="864"]]
200 200  
201 -Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. These registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
184 +=== 3.2.1 Prerequisites ===
202 202  
186 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
187 +
203 203  [[image:image-20230425173427-2.png||height="246" width="530"]]
204 204  
205 -{{info}}
206 -In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
207 -{{/info}}
208 -
209 209  The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
210 210  
211 -=== 3.2.2 Registering with The Things Stack ===
192 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
212 212  
213 -{{info}}
214 214  The Things Stack Sandbox was formally called The Things Stack Community Edition.
215 -{{/info}}
216 216  
217 -
218 -The network diagram below shows how the LT-22222-L is connected to The Things Stack and integrates its data with the ThingsEye IoT platform.
219 -
220 -[[image:dragino-ttn-te.jpg]]
221 -
222 -
223 -* Create a free account with [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] if you do not have a one yet.
224 -* Log in to your The Things Stack Sandbox account.
196 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
225 225  * Create an application with The Things Stack if you do not have one yet.
226 226  * Go to your application page and click on the **End devices** in the left menu.
227 227  * On the End devices page, click on **+ Register end device**. Two registration options are available:
228 228  
229 -
230 230  ==== 3.2.2.1 Using the LoRaWAN Device Repository ====
231 231  
232 232  * On the **Register end device** page:
... ... @@ -239,7 +239,6 @@
239 239  *** **Profile (Region)**: Select the region that matches your device.
240 240  ** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
241 241  
242 -
243 243  [[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
244 244  
245 245  
... ... @@ -289,17 +289,14 @@
289 289  
290 290  On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
291 291  
292 -Now power on your LT-22222-L. The **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack network server. The **TX LED** will be on for **5 seconds** after joining the network. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server.
262 +Now power on your LT-22222-L. It will begin joining The Things Stack. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**).
293 293  
294 294  
295 295  [[image:lt-22222-join-network.png||height="625" width="1000"]]
296 296  
297 297  
298 -==== 3.2.2.4 Uplinks ====
268 +By default, you will receive an uplink data message from the device every 10 minutes.
299 299  
300 -
301 -After successfully joining, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**). When the LT-22222-L sends an uplink message to the server, the **TX LED** turns on for **1 second**. By default, you will receive an uplink data message from the device every 10 minutes.
302 -
303 303  Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object.
304 304  
305 305  [[image:lt-22222-ul-payload-decoded.png]]
... ... @@ -314,11 +314,6 @@
314 314  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
315 315  
316 316  
317 -==== 3.2.2.4 Uplinks ====
318 -
319 -When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
320 -
321 -
322 322  == 3.3 Working Modes and Uplink Payload formats ==
323 323  
324 324  
... ... @@ -594,13 +594,13 @@
594 594  )))
595 595  
596 596  (((
597 -AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
559 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
598 598  )))
599 599  
600 600  (((
601 601  **In addition to that, below are the commands for AVI1 Counting:**
602 602  
603 -(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI1 Count to 60)**
565 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)**
604 604  
605 605  (% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
606 606  
... ... @@ -1171,6 +1171,7 @@
1171 1171  )))
1172 1172  |(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
1173 1173  
1136 +(% class="wikigeneratedid" %)
1174 1174  ==== ====
1175 1175  
1176 1176  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
... ... @@ -1247,6 +1247,7 @@
1247 1247  )))
1248 1248  |(% style="width:104px" %)**Note**|(% style="width:387px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1249 1249  
1213 +
1250 1250  (% style="color:#037691" %)**Downlink Payload**
1251 1251  
1252 1252  (% border="2" style="width:500px" %)
... ... @@ -1269,6 +1269,7 @@
1269 1269  )))
1270 1270  |(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1271 1271  
1236 +
1272 1272  ==== 3.4.2.11 Trigger – Set minimum interval ====
1273 1273  
1274 1274  Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger.
... ... @@ -1304,6 +1304,7 @@
1304 1304  )))
1305 1305  |(% style="width:112px" %)Note|(% style="width:386px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
1306 1306  
1272 +
1307 1307  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1308 1308  
1309 1309  Controls the digital outputs DO1, DO2, and DO3
... ... @@ -1354,6 +1354,7 @@
1354 1354  )))
1355 1355  )))
1356 1356  
1323 +(% class="wikigeneratedid" %)
1357 1357  ==== ====
1358 1358  
1359 1359  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
... ... @@ -1545,70 +1545,10 @@
1545 1545  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1546 1546  
1547 1547  
1548 -(% style="color:#037691" %)**AT Command**
1549 1549  
1550 -(% border="2" style="width:500px" %)
1551 -|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage><logic>
1552 -|(% style="width:137px" %)**Response**|(% style="width:361px" %)
1553 -|(% style="width:137px" %)**Parameters**|(% style="width:361px" %)(((
1554 -**voltage** : voltage threshold in mV
1555 -
1556 -**logic**:
1557 -
1558 -0 : lower than
1559 -
1560 -1: higher than
1561 -
1562 -if you leave logic parameter blank, it is considered 0
1563 -)))
1564 -|(% style="width:137px" %)**Examples**|(% style="width:361px" %)(((
1565 -AT+VOLMAX=20000
1566 -
1567 -If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1568 -
1569 -AT+VOLMAX=20000,0
1570 -
1571 -If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
1572 -
1573 -AT+VOLMAX=20000,1
1574 -
1575 -If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1576 -)))
1577 -
1578 -(% style="color:#037691" %)**Downlink Payload**
1579 -
1580 -(% border="2" style="width:500px" %)
1581 -|(% style="width:140px" %)**Payload**|(% style="width:358px" %)<prefix><voltage><logic>
1582 -|(% style="width:140px" %)**Parameters**|(% style="width:358px" %)(((
1583 -**prefix** : A5 (hex)
1584 -
1585 -**voltage** : voltage threshold in mV (2 bytes in hex)
1586 -
1587 -**logic**: (1 byte in hexadecimal)
1588 -
1589 -0 : lower than
1590 -
1591 -1: higher than
1592 -
1593 -if you leave logic parameter blank, it is considered 1 (higher than)
1594 -)))
1595 -|(% style="width:140px" %)**Example**|(% style="width:358px" %)(((
1596 -A5 **4E 20**
1597 -
1598 -If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1599 -
1600 -A5 **4E 20 00**
1601 -
1602 -If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
1603 -
1604 -A5 **4E 20 01**
1605 -
1606 -If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1607 -)))
1608 -
1609 1609  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1610 1610  
1611 -This feature allows users to pre-configure specific count numbers for various counting parameters such as Count1, Count2, or AVI1 Count. Use the AT command to set the desired count number for each configuration.
1518 +This feature allows users to pre-configure specific count numbers for various counting parameters such as count1, count2, or AV1 count. Use the AT command to set the desired count number for each configuration.
1612 1612  
1613 1613  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1614 1614  
... ... @@ -1622,51 +1622,7 @@
1622 1622  (% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1623 1623  
1624 1624  
1625 -(% style="color:#037691" %)**AT Command**
1626 1626  
1627 -(% border="2" style="width:500px" %)
1628 -|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter><number>
1629 -|(% style="width:134px" %)**Response**|(% style="width:364px" %)
1630 -|(% style="width:134px" %)**Parameters**|(% style="width:364px" %)(((
1631 -**counting_parameter** :
1632 -
1633 -1: COUNT1
1634 -
1635 -2: COUNT2
1636 -
1637 -3: AVI1 Count
1638 -
1639 -**number** : Start number
1640 -)))
1641 -|(% style="width:134px" %)**Example**|(% style="width:364px" %)(((
1642 -AT+SETCNT=1,10
1643 -
1644 -Sets the COUNT1 to 10.
1645 -)))
1646 -
1647 -(% style="color:#037691" %)**Downlink Payload**
1648 -
1649 -(% border="2" style="width:500px" %)
1650 -|(% style="width:135px" %)**Payload**|(% style="width:363px" %)<prefix><counting_parameter><number>
1651 -|(% style="width:135px" %)**Parameters**|(% style="width:363px" %)(((
1652 -prefix : A8 (hex)
1653 -
1654 -**counting_parameter** : (1 byte in hexadecimal)
1655 -
1656 -1: COUNT1
1657 -
1658 -2: COUNT2
1659 -
1660 -3: AVI1 Count
1661 -
1662 -**number** : Start number, 4 bytes in hexadecimal
1663 -)))
1664 -|(% style="width:135px" %)**Example**|(% style="width:363px" %)(((
1665 -A8 **01 00 00 00 0A**
1666 -
1667 -Sets the COUNT1 to 10.
1668 -)))
1669 -
1670 1670  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1671 1671  
1672 1672  This feature clears the counting in counting mode.
... ... @@ -1677,23 +1677,8 @@
1677 1677  
1678 1678  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1679 1679  
1680 -(% style="color:#037691" %)**AT Command**
1681 1681  
1682 -(% border="2" style="width:500px" %)
1683 -|(% style="width:142px" %)**Command**|(% style="width:356px" %)AT+CLRCOUNT
1684 -|(% style="width:142px" %)**Response**|(% style="width:356px" %)-
1685 1685  
1686 -(% style="color:#037691" %)**Downlink Payload**
1687 -
1688 -(% border="2" style="width:500px" %)
1689 -|(% style="width:141px" %)**Payload**|(% style="width:357px" %)<prefix><clear?>
1690 -|(% style="width:141px" %)**Parameters**|(% style="width:357px" %)(((
1691 -prefix : A6 (hex)
1692 -
1693 -clear? : 01 (hex)
1694 -)))
1695 -|(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
1696 -
1697 1697  ==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1698 1698  
1699 1699  This feature allows you to configure the device to save its counting result to internal flash memory at specified intervals. By setting a save time, the device will periodically store the counting data to prevent loss in case of power failure. The save interval can be adjusted to suit your requirements, with a minimum value of 30 seconds.
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